Sounds like incompatible issue. These links may help,
Vista incompatible issuesVista Incompatible issues. 1. Some switches or
routers may not compatible with Vista - Solutions: upgrade the firmware,
disable the IPv6, re-configure the ...
Windows Vista Update and downloadThis update may fix some DHCP issue -
The default gateway setting is lost when you wake a Windows Vista-based
computer from sleep ...
Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
How to Setup Windows, Network, VPN & Remote Access on
"Jon" <Voyager@jon44w.com> wrote in message
> I'm having this problem with wireless netwoking on my laptop. All was
> fine when I reformated Vista and reinstalled the correct drivers from the
> Acer website for my laptop. (Which is suspect is where the problem might
> After a random period of time the connection changes to limited
> and completely freezes. I cannot open network connections or view the
> at all, however everything else appears to work fine. I have to restart it
> this stage but instead of taking the usual 5 seconds to power down it
> about 3 minutes after the connection issue. I've noticed this occurs most
> when I, for example, am downloading a large file and I leave the laptop
> unoccupied for more than 20 minutes or so.
> Any help would be much appreciated.
> PS I have another computer linked to the router and it works 100%.
> Also...I've noticed I rarely get 'Excellent' signals from the router since
> the reformat even when in the same room as the router. Cheers again.